Question

我正在尝试为我的项目创建一个接口，并且创建了一个PSU结构，如：

public struct PSU
{
    public CheckBox CallHostessButton0, CallHostessButton1,
        ReadLightButton0, ReadLightButton1, ReadLightButton2, ReadLightButton3;
    public PictureBox BeltLight, SmokeLight;
}

public bool AssignObjectsToPSU(PSU psu, CheckBox CallHostessBtn0, CheckBox CallHostessBtn1,
CheckBox ReadLightBtn0, CheckBox ReadLightBtn1, CheckBox ReadLightBtn2, CheckBox ReadLightBtn3,
PictureBox BeltLght, PictureBox SmokeLght)
{
    try
    {
        Log("[Info] Assigning objects to PUS units...");
        psu.CallHostessButton0 = CallHostessBtn0;  
        // -> In here if possible <-
        psu.CallHostessButton1 = CallHostessBtn1;
        psu.ReadLightButton0 = ReadLightBtn0;
        psu.ReadLightButton1 = ReadLightBtn1;
        psu.ReadLightButton2 = ReadLightBtn2;
        psu.ReadLightButton3 = ReadLightBtn3;
        psu.BeltLight = BeltLght; psu.SmokeLight = SmokeLght;

        LogReport("[OK]");
        return true;
    }
    catch
    {
        LogReport("[Failed]");
        return false;
    }
}

我需要为这些对象分配对象事件，例如：

PSU TestPSU = new PSU;
TestPSU.CallHostessButton0 = checkBox1;
TestPSU.CallHostessButton0.CheckedChanged += new EventHandler(checkBox1_CheckedChanged);

因此，我需要12个“ PSU”，并且必须为每个分配它们。像上面一样。这是我的问题：有没有简单的方法可以完成这项任务？例如：在方法或循环中？像这样：

public void AssignEvents(PSU p, CheckBox cb)
{
    p.CallHostessButton0.CheckedChanged += new EventHandler(cb_CheckedChanged);
}

或在结构定义内：

psu.CallHostessButton0 = CallHostessBtn0;
psu.CallHostessButton0.CheckedChanged = += new EventHandler(CallHostessBtn0_CheckedChanged);

感谢您的帮助。：）

Answer 1

您可以将委托作为附加参数传递给AssignObjectsToPSU

public bool AssignObjectsToPSU(PSU psu, ..., EventHandler checkedChangedHandler)
{
    ...
    psu.CheckedChanged  += checkedChangedHandler;
    ...
}

然后您可以使用

进行调用

if (AssignObjectsToPSU(psu, ..., checkBox1_CheckedChanged)) {
    ...
}

请确保不要在()之后附加括号checkBox1_CheckedChanged。

然后循环

foreach (PSU psu in myPsuList) {
    if (!AssignObjectsToPSU(psu, ..., checkBox1_CheckedChanged)) {
        break;
    }
}

如何在循环中将EventHandler分配给动态对象？

1 个答案: